Abstract: A coating composition comprising:(i) a non-gelled amine-epoxide reaction product having units derived from:(a) at least one secondary amine(b) optionally a primary amine(c) units derived from a polyepoxide;(d) optionally capping units for the polyepoxide(e) optionally units derived from a polyoxyalkylene polyamine; and(f) optionally units derived from a monoepoxide;(ii) a liquid crosslinker being a mixture of 4,4-diphenylmethane diisocyanate and 4,4-diphenyl methane diisocyanate uretonimine derivative having the formula (3): ##STR1## and a mono alcohol; (iii) an aqueous carrier for the composition.

Abstract: Polymer powders comprising aggregated polymer particles, said powders having a low content of fines and being suitable as processing aids in the manufacture of polyvinyl chloride, are made by spray drying an aqueous dispersion (latex) of two emulsion polymers, one of which has a dynamic glass transition temperature above 90.degree. C. and the other of which has a dynamic glass transition below 105.degree. C., the latter being at least 10 K. degrees below the former.

Abstract: Prepreg precursors and other normally non-flowable resinous semi-solid or viscous liquid polyimide precursor compositions often need to be transformed into free-flowable liquids without dilution and without causing changes in their chemical composition. Such compositions are composed of (a) a diester of an aromatic tetracarboxylic acid, (b) an aromatic diamine, (c) a polyamic acid producible from (i) an aromatic diamine and (ii) a dianhydride of an aromatic tetracarboxylic acid, and (d) an inert solvent in an amount insufficient to provide a flowable liquid at room temperature. Such compositions readily undergo chemical change (amidization and imidization) when subjected to heating in a conventional oven because of local overheating, and poor heat transfer within the body of the composition.

Abstract: The thermoplastic polymeric molding composition of the invention has good moldability in shaping by injection molding, extrusion molding and compression molding and capable of giving shaped articles having good machinability in mechanical working such as cutting, grinding and latching. The composition is compounded from 2 to 70 parts by weight of a thermoplastic polymer such as a polyamide resin and from 98 to 30 parts by weight of a metallic filler such as zinc powder and zinc oxide powder having a surface coated with a water repellent agent such as silane coupling agents, titanate coupling agents and silicone fluids in a specified amount. A part of the above mentioned particulate filler may optionally be replaced with a fibrous filler such as glass fibers and carbon fibers so that the shaped articles of the molding composition may be imparted with increased impact strength.

Abstract: Compatible polymer mixtures which consist of two polymer components which are(A) 0.1-99.9% by weight of a polymer P1, which is composed by at least 30% by weight of monomers with Formula I, ##STR1## where R.sub.1 stands for hydrogen or methyl and R.sub.2 for a hydrocarbon group with 1-18 carbon atoms, and(B) 99-0.1% by weight of a polymer P2 which is composed of a monomer with Formula II by at least 30% by weight ##STR2## where R.sub.3 stands for hydrogen, methyl or a group --CH.sub.2 --X--CHR.sub.5 R.sub.6, X stands for a group ##STR3## where Z is oxygen or --NR.sub.4, Z' is oxygen or --NR.sub.4, and R.sub.4 is hydrogen or an alkyl gorup with 1-12 carbon atoms, --CHR.sub.5 R.sub.6 stands for an aliphatic or araliphatic hydrocarbon group with 5-24 carbona atoms.

Abstract: Aromatic diolefinic compounds including 1,4-divinylbenzene derivatives, which are useful not only as organic photoconductive materials for electrophotography, but also as intermediates for producing diethyl aromatic compounds which are also useful as organic photoconductive materials for electrophotography, the aromatic diethyl compounds, an electrophotographic photoconductor containing any of the above aromatic diethyl compounds in a photosensitve layer thereof, and a charge transporting medium containing any of the aromatic diethyl compound are disclosed.

Abstract: Fast-crystallizing polyester compositions comprising a mixture consisting or consisting essentially of a polyester thermoplastic resin and of a nucleating agent selected from organic acid salts having the formula: ##STR1## wherein: R is an aromatic, cycloaliphatic or heterocyclic radical, optionally substituted in the ring;R.sub.1 and R.sub.2 may be hydrogen or an alkyl radical containing from 1 to 4 C;Me is an alkali or alkaline-earth metal, andn is zero or an integer from 1 to 3.

Abstract: The compositions of this invention posses both calcium hydroxide cement characteristics and light cure characteristics and hence strong bonds are likely to form with both the tooth and conventional filling materials. There is less likelihood that a filling may fall out of a cavity.The present invention provides a two component composition which comprises a first component comprising an ethylenically polymerizable compound which contains both a salicylate group and at least one acrylate, alkacrylate, acrylamide or alkacrylamide group and second component comprising calcium hydroxide or a suitable precursor to calcium hydroxide.

Abstract: Disclosed are novel thermoplastic compatible compositions comprising a polyolefin, a thermoplastic polyurethane, and a compatibilizing amount of at least one modified polyolefin.The polymer blends are soft, flexible, resinous compositions of high tensile and tear strengths. The compositions overcome the barrier of incompatibility between polyethylene and thermoplastic polyurethanes.

Abstract: An article, suitable for use as a body implant, is made from a novel composition comprising a multiple phase polymer composition comprising:(a) a first phase which comprises a substantially non-hydrophilic polymeric component; and(b) a second phase which comprises a hydrophilic polymeric component;said composition (i) being capable of absorbing water to an extent that it softens with a softening ratio of at least about 2:1 and/or swells with a swelling ratio of at least about 1.3:1; and (ii) when substantially completely hydrated has an energy to break of at least about 700 N-cm/cm.sup.3 and a 2.5% Secant modulus of less than about 7,000 N/cm.sup.2.

Abstract: A durable epoxy resin paint composition is disclosed, comprising from 0.5 to 10% of a vinylidene chloride-based resin emulsion and from 99.5 to 90% of an epoxy resin paint. A durable epoxy resin paint composition is also disclosed, comprising from 5 to 40% of a metal foil piece having a specific surface area of 1000 cm.sup.2 /g or more, from and from 95 to 50% of an epoxy resin paint. The durable epoxy resin paint composition of the invention not only endures salt water, gasoline, ketones, crude oil, strong acids, strong alkalis, or other chemicals for a long period of time but also is suitable for the use in foods.

Abstract: A fiber reinforced composite structure having a glass transition temperature greater than 150.degree. C. is comprised of:a) reinforcing fiber andb) a curable epoxy resin composition comprising(i) one or more epoxides having more than one epoxide group per molecule, of which epoxides at least 10 percent by weight is a 9,9-bis[4-(2,3-epoxypropoxy)phenyl]fluorene, all of the fluorene epoxy present being free of ortho substitution;(ii) an effective amount of one or more epoxy curing agents.

Abstract: A seed colorant useful especially in coloring seeds to distinguish same from those to be used for foods is formed of an aqueous medium such as water, a dye and/or pigment of a desired hue, and a binder resin composed of the salt of chitosan and an organic acid. The seed colorant may additionally contain spherical resin particles.

Abstract: A sizing agent for carbon fibers has the following three important constituents: an epoxy compound, a copolymer having within its molecule one oxyalkylene derivative of a polycyclic phenol segment and one or two monoester or polyester segments connected through an ester linkage, and oxyalkylene derivative of substituted phenol.

Abstract: A composite having a flexural modulus greater than 100,000 psi and excellent heat and damage resistance, consisting essentially of 5-45 weight percent of a vinyl thermoset copolymer and 55-95 weight percent of a polyurea (wherein the reaction product of the isocyanate and diamine chain extender constitutes 50-75 per cent by weight of the polyurea) is prepared by reacting, a mixture comprising:(a) an ethylenically unsaturated component containing at least one ethylenically unsaturated monomer optionally therewith, one or more ethylenically unsaturated high molecular weight compounds;(b) a polyoxyalkylene polyamine;(c) a diamine chain extender;(d) an aromatic polyisocyanate; and(e) a curing agent by the reaction injection molding technique. In particular Component B comprising constituents (a), (b) and (c) is combined with Component A comprising constitutents (d) and (e). Component A may further contain the monomer of constituent (a).

Abstract: A carbon black-graft polymer, produced by causing a polymer possessing within the molecular unit thereof at least one reactive group selected from the class consisting of aziridine group, oxazoline group. N-hydroxyalkylamide group, epoxy group, and thioepoxy group to react with carbon black. The polymer can be used as a toner for electrostatically charged image, resin composition, coating composition, ink for thermographic transer, coating gent for magnetic recording medium, rubber composition, and carbon black dispersion and the like.

Abstract: A resin composition comprising;100 parts by weight of a mixture comprising (a) from 5 to 95% by weight of polyamide and (b) from 95 to 5% by weight of a thermoplastic polyester; and(c) from 0.5 part to 40 parts by weight of a grafted polyolefin modified product formed by graft polymerization of an addition polymer having a peroxy bond in its molecular chain to a modified polyolefin having a functional group in its molecular chain; and a molded product thereof.

Abstract: A TiO.sub.2 -containing polycaprolactam contains, based on TiO.sub.2, less than 0.1% by weight of 100.degree. C. water solubles and from 2 to 15% by weight of monomeric caprolactam and oligomers thereof, based on polycaprolactam.

Abstract: A family of novel and unique synthetic alkali metal alumino-silicates (SAMS) are produced by the hydrothermal reaction between kaolin clay and alkali metal silicates. The integrated composition of the SAMS products is a unique entity having an overall composition ofxM.sub.2 O:Al.sub.2 O.sub.3 :ySiO.sub.2 :zH.sub.2 Owhere x is the number of moles of alkali metal oxide and is an integer from 0.01 to 2.0, M is an alkali metal, y is the number of moles of SiO.sub.2 in the unique SAMS composition, and z is the number of moles of bound water and is an integer ranging from 1.0 to 5.0. The composition essentially comprises altered kaolin clay platelets with an integral rim or protuberance of essentially amorphous alkali metal silicate-kaolin reaction product. The unique SAMS compositions are structured materials in which the structure can be controlled, and are therefore useful as functional fillers, as TiO.sub.

Abstract: An refractory plastic comprising a refractory aggregate and a bonding and plasticizing agent consisting essentially of a powdered novolak resin and a solvent; said agent being present in an amount sufficient to plasticize said refractory.